Posted by **Selma** on Monday, February 11, 2013 at 8:14pm.

Where are the functions f1(x)=|sin(x)| and f2(x) = sin(|x|) differentiable? Use n as an arbitrary integer constant.)

f1(x) = |sin(x)| is differentiable for all x ≠______________

f2(x) = sin(|x|) is differentiable for all x ≠______________

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